v3.26.1
Other operating expenses - Summary of Employee Expenses (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Other Operating Expense [Abstract]      
Salaries € (1,189) € (1,205) € (1,131)
Post-employment benefit costs (133) (127) (125)
Social security charges (119) (118) (107)
Other personnel costs (352) (310) (294)
Shares (59) (58) (54)
Total (1,852) (1,818) (1,711)
Defined contribution expenses € (61) € (61) € (57)